ATE512693T1 - Herzstimulator mit einem impedanzmesskreis zum nachweis einer ischämie - Google Patents
Herzstimulator mit einem impedanzmesskreis zum nachweis einer ischämieInfo
- Publication number
- ATE512693T1 ATE512693T1 AT07835033T AT07835033T ATE512693T1 AT E512693 T1 ATE512693 T1 AT E512693T1 AT 07835033 T AT07835033 T AT 07835033T AT 07835033 T AT07835033 T AT 07835033T AT E512693 T1 ATE512693 T1 AT E512693T1
- Authority
- AT
- Austria
- Prior art keywords
- ischemia
- measurement circuit
- impedance measurement
- heart
- heart stimulator
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
- A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
- A61B5/004—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
- A61B5/0044—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part for the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0536—Impedance imaging, e.g. by tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
- A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
- A61N1/36521—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure the parameter being derived from measurement of an electrical impedance
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Physiology (AREA)
- Electrotherapy Devices (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2007/000195 WO2008105692A1 (fr) | 2007-02-28 | 2007-02-28 | Dispositif médical pour détecter une ischémie et procédé pour un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE512693T1 true ATE512693T1 (de) | 2011-07-15 |
Family
ID=39721471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07835033T ATE512693T1 (de) | 2007-02-28 | 2007-02-28 | Herzstimulator mit einem impedanzmesskreis zum nachweis einer ischämie |
Country Status (4)
Country | Link |
---|---|
US (1) | US8140157B2 (fr) |
EP (1) | EP2114525B1 (fr) |
AT (1) | ATE512693T1 (fr) |
WO (1) | WO2008105692A1 (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8265769B2 (en) | 2007-01-31 | 2012-09-11 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier for wireless telemetry |
US9615744B2 (en) | 2007-01-31 | 2017-04-11 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier for impedance measurement |
US7385443B1 (en) | 2007-01-31 | 2008-06-10 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier |
US7391257B1 (en) | 2007-01-31 | 2008-06-24 | Medtronic, Inc. | Chopper-stabilized instrumentation amplifier for impedance measurement |
US8781595B2 (en) | 2007-04-30 | 2014-07-15 | Medtronic, Inc. | Chopper mixer telemetry circuit |
US8380314B2 (en) | 2007-09-26 | 2013-02-19 | Medtronic, Inc. | Patient directed therapy control |
WO2009051638A1 (fr) | 2007-10-16 | 2009-04-23 | Medtronic, Inc. | Commande de thérapie selon un état de mouvement de patient |
WO2009094050A1 (fr) | 2008-01-25 | 2009-07-30 | Medtronic, Inc. | Détection de stade de sommeil |
EP2249916B1 (fr) | 2008-01-31 | 2011-11-02 | Medtronic, Inc. | Association electrode-fil au moyen d'une imagerie post-implantaire |
US8914101B2 (en) | 2008-10-30 | 2014-12-16 | Medtronic, Inc. | System and method to localize changes in intrathoracic fluid content using measured impedance in an implantable device |
US8478402B2 (en) * | 2008-10-31 | 2013-07-02 | Medtronic, Inc. | Determining intercardiac impedance |
US20100113964A1 (en) * | 2008-10-31 | 2010-05-06 | Wahlstrand John D | Determining intercardiac impedance |
US20110319769A1 (en) * | 2009-03-13 | 2011-12-29 | St. Jude Medical Ab | Ischemic status monitoring |
US20120184866A1 (en) * | 2009-09-29 | 2012-07-19 | St. Jude Medical Ab | Implantable medical device and method for multisite measurement of intracardiac impedance |
US9770204B2 (en) | 2009-11-11 | 2017-09-26 | Medtronic, Inc. | Deep brain stimulation for sleep and movement disorders |
WO2011075025A1 (fr) * | 2009-12-18 | 2011-06-23 | St. Jude Medical Ab | Appareil de stimulation cardiaque |
US20120150169A1 (en) * | 2010-12-09 | 2012-06-14 | Medtronic, Inc. | Impedance measurement to monitor organ perfusion or hemodynamic status |
US9123107B2 (en) * | 2011-04-28 | 2015-09-01 | Medtronic, Inc. | Image-based analysis of implantable medical device positioning |
US9924904B2 (en) | 2014-09-02 | 2018-03-27 | Medtronic, Inc. | Power-efficient chopper amplifier |
WO2020008416A1 (fr) * | 2018-07-04 | 2020-01-09 | Navix International Limited | Procédé d'imagerie |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4458694A (en) * | 1977-11-02 | 1984-07-10 | Yeda Research & Development Co., Ltd. | Apparatus and method for detection of tumors in tissue |
US5282840A (en) | 1992-03-26 | 1994-02-01 | Medtronic, Inc. | Multiple frequency impedance measurement system |
US5454377A (en) | 1993-10-08 | 1995-10-03 | The Ohio State University | Method for measuring the myocardial electrical impedance spectrum |
US5807272A (en) | 1995-10-31 | 1998-09-15 | Worcester Polytechnic Institute | Impedance spectroscopy system for ischemia monitoring and detection |
CA2191285A1 (fr) | 1996-11-26 | 1998-05-26 | Philip Maurice Church | Electrode pour systeme de tomographie commande par l'impedance electrique |
SE9700182D0 (sv) | 1997-01-22 | 1997-01-22 | Pacesetter Ab | Implantable heart stimulator |
US6473640B1 (en) * | 1999-01-25 | 2002-10-29 | Jay Erlebacher | Implantable device and method for long-term detection and monitoring of congestive heart failure |
US6115628A (en) * | 1999-03-29 | 2000-09-05 | Medtronic, Inc. | Method and apparatus for filtering electrocardiogram (ECG) signals to remove bad cycle information and for use of physiologic signals determined from said filtered ECG signals |
US6752765B1 (en) | 1999-12-01 | 2004-06-22 | Medtronic, Inc. | Method and apparatus for monitoring heart rate and abnormal respiration |
US6604000B2 (en) | 2000-12-08 | 2003-08-05 | Pacesetter, Inc. | Method and device for responding to the detection of ischemia in cardiac tissue |
US6980852B2 (en) * | 2002-01-25 | 2005-12-27 | Subqiview Inc. | Film barrier dressing for intravascular tissue monitoring system |
SE0202290D0 (sv) * | 2002-07-22 | 2002-07-22 | St Jude Medical | Monitor |
US7641643B2 (en) * | 2003-04-15 | 2010-01-05 | Abbott Cardiovascular Systems Inc. | Methods and compositions to treat myocardial conditions |
US7657309B2 (en) | 2003-05-28 | 2010-02-02 | The Ohio State University | Measuring human heart muscle viability using myocardial electrical impedance |
US8428717B2 (en) * | 2003-10-14 | 2013-04-23 | Medtronic, Inc. | Method and apparatus for monitoring tissue fluid content for use in an implantable cardiac device |
US7668594B2 (en) * | 2005-08-19 | 2010-02-23 | Cardiac Pacemakers, Inc. | Method and apparatus for delivering chronic and post-ischemia cardiac therapies |
EP1723570A4 (fr) * | 2004-02-09 | 2010-06-02 | Inst Cardiologie De Montreal M | Calcul de parametre geometrique de cavite cardiaque a partir d'un ensemble de donnees de tomographie cardiaque |
US7778697B2 (en) | 2004-10-11 | 2010-08-17 | St. Jude Medical Ab | Detection of ischemia |
EP1690566B1 (fr) | 2005-02-09 | 2008-04-09 | Raul Chirife | Détecteur d' ischémie |
US7447543B2 (en) * | 2005-02-15 | 2008-11-04 | Regents Of The University Of Minnesota | Pathology assessment with impedance measurements using convergent bioelectric lead fields |
WO2006119046A1 (fr) | 2005-04-30 | 2006-11-09 | Medtronic, Inc. | Ajustement d'une stimulation base sur l'impedance |
-
2007
- 2007-02-28 WO PCT/SE2007/000195 patent/WO2008105692A1/fr active Application Filing
- 2007-02-28 EP EP07835033A patent/EP2114525B1/fr active Active
- 2007-02-28 AT AT07835033T patent/ATE512693T1/de not_active IP Right Cessation
- 2007-02-28 US US12/528,467 patent/US8140157B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2008105692A1 (fr) | 2008-09-04 |
US20100100147A1 (en) | 2010-04-22 |
US8140157B2 (en) | 2012-03-20 |
EP2114525B1 (fr) | 2011-06-15 |
EP2114525A4 (fr) | 2010-03-17 |
EP2114525A1 (fr) | 2009-11-11 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |